CLOU Electronics
  • Nov 30 2021
    Magic Power

    Add Value to the Load Profile

    Since our core business is metering and measurement, our CLOU energy meters can contribute with data. Very typical for utilities is the collection of load profiles.
  • Jun 08 2021
    constante del medidor

    Poor Meter Connections are Causing Heat

    Maintaining the right cross-section avoids overheating and is also reducing the internal resistance.
  • Dec 17 2020
    Table Tennis Stamp 1959

    The Christmas Gimmick 2020

    Table Tennis (Pīngpāng qiú 乒乓球) is one of the top National sports in China. As a proof of concept we have remade a very old arcade game.
  • Oct 30 2020
    r CL730D22L a

    How Mean is the Value?

    CLOU energy meters and test equipment is measuring the true RMS value by waveform sampling. There are other methods, but they are less accurate.
  • Oct 27 2020
    Waveform Sampling Basics

    Waveform Sampling for Electrical Measurements

    The interactive graphics below shows the impact on sampling rates on different waveforms. The error calculation is based on true-rms for a wave with 360 samples and for training purpose...
  • Sep 22 2020
    CL730S23 TWO BUTTONS

    Selection of Current Instrument Transformers

    Transformer operated energy meters need instrument transformers to reduce high voltage- and current values to lower quantities for measurement purpose.
  • Sep 02 2020
    cat5 cable cradle wiring

    Cross-sections for electricity wiring

    Each conductor wire has a resistance. Resistance means heat development inside the wire. Technically it's a loss.
  • Aug 10 2020
    Aristo Trilog slide rule

    The Critical Change Value

    The critical change value indicates the maximum amount of change allowed in the meter's energy registers during disturbance tests without any current flowing in the meter's current circuits.
  • Jul 28 2020
    CL3000

    No Load Test for Energy Meters 2020

    With publishing of the Edition 2 of IEC62052-11 the minimum run time calculation formula has changed.
  • Jul 22 2020
    r CL710K16 SHORT 1

    The Energy Meter Register Resolution

    The main purpose of an electronic energy meter is the accurate metering of the customer consumption. The meter has registers for storing the various consumption values
  • Dec 02 2019
    scanning head principle

    How does a scanning head work?

    Each energy meter used for billing must have a test output. An optical indication is mandatory. Beside this the meter can also have electrical test outputs.
  • Nov 29 2019
    generator

    The Principle of Three-Phase Generators

    We have a nice three phase power supply in our home, but where does it come from? And why does the waveform has a sine shape?